Coaster with octagons



FIG. 1 is perspective view of the coaster with octagons showing the new design;

FIG. 2 is a top view thereof which is identical to the bottom view;

FIG. 3 is a left side view thereof which is identical to the right side view, front view and back view; and,

FIG. 4 is a side view of the coaster with octagons as shown in FIG. 3, rotated 90 degrees. 

The ornamental design for a coaster with octagons, as shown and described. 